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                                                                                                                                歡迎來到美國YLOK閥門一級代理商官方網站

                                                                                                                                進口閥門品牌

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                                                                                                                                進口電動球閥實物圖

                                                                                                                                  詳細說明

                                                                                                                                  美國依洛克YLOK進口電動球閥只需要旋轉90°即可全關全開。閥體通道和連接管徑相等并成一直徑,介質幾乎可以毫無損失的流過。電動法蘭球閥適用于兩位切斷、調節的場合。根據用途分為兩大類:電動O型切斷球閥和電動調節球閥,根據結構形式可分為:電動軟密封球閥和電動硬密封球閥兩類。軟密封球閥主要適用于溫度低于250度以內的介質。硬密封球閥主要適用于250度以上的介質。電動法蘭球閥密封性能優良、流通能力大、裝卸維護方便、流阻小、密封可靠,甚至切斷。電動法蘭球閥體積小、重量輕、推力大、功能強、伺服放大器內裝、操作方便、可靠性高,球閥與執行器采用直連方式,內置伺服系統,無須另配伺服放大器,輸入輸出信號4-20mA220VAC電源即可控制運轉。電動法蘭球閥具有連線簡單、結構緊湊、動作穩定可靠等優點。電動法蘭球閥是一種重要的電動閥門類,在石油化工和長輸管線等領域有廣泛應用。它的關閉件是一個帶孔的部分球體,球體隨閥桿轉動,實現閥門的開啟或關閉。電動法蘭球閥,電動法蘭球閥可實現對石油、化工、造紙、冶金、污水處理、油罐車等運輸管道內介質的切斷和流通。

                                                                                                                                  進口電動球閥產品特點

                                                                                                                                  1)流體阻力小、球閥是所有閥類中流體阻力最小的一種,即使是縮徑球閥,其流體阻力也相當小。

                                                                                                                                  2)止推軸承減小閥桿摩擦力矩,可使閥桿長期操作平衡靈活。

                                                                                                                                  3)閥座密封性能好,采用聚四氟乙烯等材料制成的密封圈,結構易于密封,而且球閥的閥封能力隨著介質壓力的增設而增大。

                                                                                                                                  4)閥桿密封可靠,由于閥桿只作旋轉運動而不做升降運動,閥桿的填料密封不易破壞,且密封能力隨著介質的壓力增設而增大。

                                                                                                                                  5)由于聚四氟乙烯等材料具有良好的自潤滑性,與球體的摩擦損失小,幫球閥的使用壽命長。

                                                                                                                                  6)下裝式閥桿和閥桿頭部凸階防止閥桿噴出,如火災造成閥桿密封破壞,凸階與閥體間還可形成金屬接觸,確保閥桿密封。

                                                                                                                                  進口電動球閥 技術參數

                                                                                                                                  公稱通徑:DN15DN600mm

                                                                                                                                  公稱壓力(MPa)

                                                                                                                                  PN1.6、2.5、4.0、6.4 MPa;ANSI 150、300LB、1500LB、2500LB

                                                                                                                                  閥體形式:兩段式鑄造球閥

                                                                                                                                  連接形式:法蘭式、焊接式、螺紋式

                                                                                                                                  閥芯形式:"O"型球形閥芯

                                                                                                                                  密封填料:V型聚四氟乙烯填料、柔性石墨填料等

                                                                                                                                  流量特性:近似快開型

                                                                                                                                  動作范圍:090°

                                                                                                                                  基本誤差:±1%

                                                                                                                                  回差:±1%

                                                                                                                                  死區:≤1%(可調)

                                                                                                                                  可調范圍:2501,3501

                                                                                                                                  配置執行機構:可配JO、JOX、HQ等系列開關型或者調節型電動執行器

                                                                                                                                  控制方式:開關到位燈(開關兩位控制)、無源觸點信號、1/5K電位計、智能調節(420mA模擬量信號控制)

                                                                                                                                  進口電動球閥產品選型

                                                                                                                                  1)閥體參數:公稱通徑、工作壓力、工藝介質、使用場合、閥體材料等系列參數。

                                                                                                                                  2)執行器參數:電源電壓、控制方式、控制信號(4-20mA,1-5V)

                                                                                                                                  盡量詳細提供以上技術參數,方便我公司銷售及技術人員為您準確選型。如有任何疑問.您可以致電給我們,我們一定會盡心盡力為您提供優質的服務!

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